passengers will notice many visible changes to the jets or frequent flyer programs until next year. a group of tech companies calling on president obama and congress to impose strict limits on surveillance. the group which includes google, microsoft, yahoo! and twitter have written a letter calling for an end to mass collection of user information like e-mail and contact lists. the move comes in the wake of the leaks on u.s. spying programs by edward snowden. back to you. >> thanks very much. >> time to check the forecast right now. my mouth still frozen this morning. >> understandable. it's very cold out there. you know what, this has been a prolonged cold spell in the bay area. we're not going to get out of it for a couple days. keep those winter gloves, everything you need handy. 25 in fairfield, 22 very cold in petaluma, 23 to start the day in santa rosa. i want to take to you the city of san francisco. a lot of people here park outdoors and it's cold enough for frost just about everywhere. give yourself extra time. and yeah, you might be scraping frost off the windshield. warm